CN1601116A

CN1601116A - Valve having junction type housing

Info

Publication number: CN1601116A
Application number: CNA2004100798785A
Authority: CN
Inventors: 宮添真司; 板垣顺一
Original assignee: SMC Corp
Current assignee: SMC Corp; SMS Corp
Priority date: 2003-09-24
Filing date: 2004-09-23
Publication date: 2005-03-30
Anticipated expiration: 2024-09-23
Also published as: DE102004043979A1; US20050061376A1; JP2005098376A; US7124778B2; CN100430611C; TWI289639B; KR100567264B1; TW200512410A; KR20050030164A

Abstract

Two housing member are divided by a dividing surface including a center axis of a valve hole. Connecting holes are formed in joint surfaces of the respective housing members at locations of the joint surfaces opposed to each other. Connecting pins are inserted into the connecting holes, the connecting holes and the connecting pins are fixed to each other through solder, thereby integrally connecting the first housing member and the second housing member to each other to form a housing.

Description

Valve with junction type housing

Technical field

The present invention relates to have the valve that a plurality of housing parts is engaged the junction type housing that forms.

Background technique

For example, described in patent documentation 1, existing valve with junction type housing that a plurality of housing parts joints are formed is well-known.In this existing valve, above-mentioned housing is divided into up and down two housing parts on the parting plane of the axis that comprises valve opening, and these housing parts are bonded with each other, and by utilizing bonding or mode such as welding engages these mating faces, is assembled into one.

But, the housing of this joint shape, when engaging two housing parts, owing to place dislocation easily, and therefore, need be with someway two housing parts not being kept with misplacing.In case two housing parts are engaged with misplacing, when cutting is carried out to valve opening in the joint back, increase the rapidoprint of dislocation part, therefore, increase manufacturing procedure and time, the increase cost.But because above-mentioned existing valve does not have the localization method when engaging, therefore, it is very difficult carrying out high-precision joint.

On the one hand, in patent documentation 2, announced following technology, promptly under the chimeric state that positions by protuberance and recess, two housing parts are carried out scolding tin to be engaged, but, owing between these protuberances and recess, there is small gap, the situation that therefore, has two housing changing of the relative positions, locating accuracy is descended.In order to eliminate above-mentioned gap, to improve Location accuracy, the processing that need have high chimeric precision to these protuberances and recess, housing parts manufactures loaded down with trivial details.

The 5th, 361, No. 803 specifications of [patent documentation 1] U. S. Patent

[patent documentation 2] spy opens the 2003-65453 communique

Problem of the present invention is in the valve with the junction type housing that two housing parts is engaged formation, under the state that prevents above-mentioned housing parts dislocation really, can engage accurately.

Summary of the invention

In order to solve above-mentioned problem, the invention provides valve with junction type housing, this housing has: the valve opening that valve rod moves, the a plurality of holes and the attachment face that are communicated with this valve opening, this attachment face is in order to be installed in the smooth attachment face that comes down on the base plate, it is characterized in that, above-mentioned housing has first housing parts of the upside that is separated by parting plane and second housing parts of downside, this parting plane comprises the central axis of above-mentioned valve opening, on relative position, the mating face of these two housing parts, be provided with a plurality of attachment holes and a plurality of connecting pin, at right angles extend on these a plurality of attachment holes and this mating face; These a plurality of connecting pins are entrenched in the relative attachment hole, these attachment holes and connecting pin double as positioning means and engaging mechanism, by the inner face of above-mentioned attachment hole with and/or the outside of connecting pin coat scolding tin, both interfixed, the said first shell parts and second housing parts are bonded with each other under the state of location, form integrated.

In the present invention, the inner face of above-mentioned attachment hole with and/or the amount of the scolding tin smeared of the outside of connecting pin, make preferably that both are chimeric, when engaging, the amount of outside the hole, not oozing out.

Among the present invention, also can on the whole mating face of the said first shell parts and second housing parts, be provided for keeping bubble-tight sealed member, or engage the mating face of the whole said first shell parts and second housing parts with scolding tin.

According to concrete formation of the present invention, the said first shell parts and second housing parts are on the relative position on each mating face, to have the bolt insertion hole that is interconnected when engaging two housings, this bolt insertion hole is arranged on two places, one distolateral and another is distolateral at the axial direction of valve opening clips this valve opening, is positioned at mutually opposite position, in addition, above-mentioned attachment hole also is arranged on two places, and these attachment holes are opposite position relation for valve opening with above-mentioned bolt insertion hole.

According to the present invention, the a plurality of attachment holes and the connecting pin of double as positioning means and engaging mechanism are set on relative position, the mating face of two housings, by the inner face of above-mentioned attachment hole with and/or the outside of connecting pin coat scolding tin, attachment hole and connecting pin interfixed, can make above-mentioned two housing parts under following state, engage, form integrated accurately, promptly, prevent the state of mutual dislocation really by the position of these attachment holes and connecting pin.

Description of drawings

Fig. 1 is first mode of execution of expression valve of the present invention, this valve is loaded in the sectional drawing of the state on the base plate.

Fig. 2 is the stereogram of above-mentioned valve.

Fig. 3 is first housing parts of the expression valve housing that constitutes first embodiment and the exploded perspective view of second housing parts.

Fig. 4 is the stereogram that expression spins upside down the said first shell parts.

Fig. 5 is second mode of execution of expression valve of the present invention, does not have the stereogram of the state on the base plate that this valve is loaded in.

Fig. 6 is first housing parts of the expression valve housing that constitutes second embodiment and the exploded perspective view of second housing parts.

Embodiment

Fig. 1～Fig. 4 is first embodiment that expression has the valve of junction type housing of the present invention, and what Fig. 1 represented is this valve 1A to be loaded in base plate 2A go up the valve assembly body that forms.

Above-mentioned base plate 2A is made of the block parts with rectangular cross-section, has in the above to come down to smooth loading surface 5, and this loading surface 5 is in order to load above-mentioned valve 1A.In the inside of this base plate 2A, have one and supply with stream 6p, two output stream 6a, 6b and two discharge stream 6r, 6r, supply with stream 6p for one and supply with pressurized gas equal pressure fluid to above-mentioned valve 1A; Two output stream 6a, 6b will supply with to the actuator of pneumatic cylinder etc. from the pressure fluid of this valve 1A output; Two are discharged stream 6r, 6r is the pressure fluid that ejects from this actuator, and these streams are respectively in above-mentioned loading surface 5 upper sheds.In addition, the end of above-mentioned each stream 6p, 6a, 6b, 6r, 6r is the pipe arrangement connection mouth, can connect the pipe arrangement of needs.

Guiding type 5 ports valves that above-mentioned valve 1A is a single solenoid shape as can be seen from Figure 2, are made of main valve portion 8 and eletromagnetic-operating portion 9.

Above-mentioned main valve portion 8 has first and second endblock component 11,12 of the both ends of the surface of housing 10 that is positioned at central authorities and the axial direction that is installed in this housing 10.Below above-mentioned housing 10, be formed with and come down to smooth attachment face 14, this attachment face 14 is on the loading surface 5 that is installed in above-mentioned base plate 2A, be formed with valve opening 15 in the inside of housing 10, this valve opening 15 connects this housing 10 at axial direction, and valve rod 16 is moved and is housed in freely in this valve opening 15.Though this valve rod 16 is to have a plurality of sealed member 16a that slide at valve opening 15 inner faces, the valve rod that passes through the sliding valve style of these sealed members 16a switching stream, also can be to be arranged on the valve rod that valve opening 15 interior valve seat lifting type ground carry out the switch style.In addition, on the attachment face 14 below above-mentioned housing 10, a supplying mouth P who is communicated with above-mentioned valve opening 15, be positioned at two delivery outlet A, B of its both sides and be positioned at two exhaust port R, R opening outside its both sides, when valve 1A being loaded on the loading surface 5 of above-mentioned base plate 2A, these mouthfuls P, A, B, R, R and stream 6p, 6a, 6b, 6r, 6r corresponding on loading surface 5 are communicated with.

On above-mentioned first and second endblock component 11,12, form the 18a of piston chamber, 18b respectively, in the 18a of this piston chamber, 18b, keep the piston 19a, the 19b that drive above-mentioned valve rod 16 in sliding freely.Wherein, the diameter of the 18a of piston chamber that forms on first endblock component 11 is little, the first piston 19a of the minor diameter that compression area is little is housed in wherein, relative therewith, the diameter of the 18b of piston chamber that forms on second endblock component 12 is big, and the large diameter second piston 19b that compression area is big is housed in wherein.

In addition, in the inside of above-mentioned housing 10, the guiding stream 21 and the above-mentioned valve opening 15 that are communicated with above-mentioned supplying mouth P connect abreast.One end of this guiding stream 21 is by the stream in above-mentioned first endblock component 11, be communicated with the above-mentioned first piston 19a first compression chamber 22a behind always, and, the other end of this guiding stream 21 is communicated with the above-mentioned second piston 19b second compression chamber 22b behind by being arranged on the manual-operating mechanism 23 on above-mentioned second endblock component 12.The mechanism that this manual-operating mechanism 23 is when functional unit 23a is depressed, above-mentioned guiding stream 21 is communicated with the second compression chamber 22b, the formation of such manual-operating mechanism self and function are with well-known identical.

Above-mentioned eletromagnetic-operating portion 9 is installed on the end face of above-mentioned second endblock component 12, has the formation as 3 cellular type solenoid valves.And, after coil 26 energisings, shown in the left side of axis L, 28 absorption unshakable in one's determination because movable core 27 is fixed, it is open that then guiding is supplied with valve seat 29, therefore, pilot fluid from guiding stream 21 is supplied with valve seat 29, guiding delivery outlet 32 and guiding access 33 by guiding input stream 30, guiding inlet opening 31, above-mentioned guiding, supply with to the second compression chamber 22b, the large diameter second piston 19b is because poor with the compression area of first piston 19a, right to figure moves, and valve rod 16 is positioned at switching position as shown in Figure 1.

In addition, cut-out is to the energising of above-mentioned coil 26, shown in the right-hand part of axis L, because movable core 27 leaves fixed iron core 28, it is open that then guiding is discharged valve seat 34, therefore, pilot fluid in the second compression chamber 22b is discharged stream 36 by above-mentioned guiding access 33, guiding delivery outlet 32, above-mentioned guiding discharge valve seat 34, guiding exhaust port 35 and guiding and is discharged from, therefore, press active force by the fluid that acts on first piston 19a, valve rod 16 by to the left of figure to moving, be positioned at switching position with Fig. 1 opposition side.Therefore the formation of such eletromagnetic-operating portion 9, is omitted more detailed description at this owing to be familiar with by everybody by the guiding type valve of general single solenoid shape.

As shown in Figure 3 and Figure 4, first housing parts 10a of the upside that the housing 10 of above-mentioned valve 1A is separated by the parting plane M of the central axis that comprises above-mentioned valve opening 15 and the second housing parts 10b of downside constitute, by these housing parts 10a, the 10b of being bonded with each other, form one.Above-mentioned parting plane M comes down to parallel face with the following above-mentioned attachment face 14 of housing 10.

Above-mentioned

housing parts

10a, 10b are by obtaining aluminium class material mold casting forming, as shown in Figure 4, on the first housing parts 10a of upside, be formed with half 15a of hole portion and the above-mentioned guiding stream 21 of the upper half part that constitutes above-mentioned valve opening 15, on the second housing parts 10b of downside, be formed with half 15b of hole portion, above-mentioned attachment face 14 of the lower half portion that constitutes above-mentioned valve opening 15 and at above-mentioned each mouthful P, A, B, R, the R of this attachment face upper shed.

On the relative mutually position of mating face 38a, the 38b of above-mentioned

housing parts

10a, 10b, attachment hole 40 is set in many places.These attachment hole 40 collaborative connecting pins 41 constitute positioning means and engaging mechanism together, and positioning means is used to make above-mentioned two

housings parts

10a, 10b to locate mutually; Engaging mechanism is used for the mutual scolding tin of above-mentioned two

housings parts

10a, 10b is engaged.In illustrated example, the attachment hole 40 that at right angles extends with

mating face

38a, 38b is arranged on two places, and these attachment holes 40 are configured to, the axial direction of valve opening 15 one distolateral and another distolateral across this valve opening 15, be positioned at mutually opposite position.

In addition, on the relative mutually position of mating face 38a, the 38b of above-mentioned

housing parts

10a, 10b, bolt insertion hole 44 is arranged on two places, this bolt insertion hole 44 is to be interconnected when engaging two housings parts 10a, 10b.Because these bolt insertion holes 44 are when being fixed on valve 1A on the base plate 2A, insert the logical fixedly bolt 45 of usefulness, therefore, on the position of the outstanding projecting strip part 46 in the side of two

housings parts

10a, 10b, relative valve opening 15 is in the position relation opposite with above-mentioned attachment hole 40.Promptly, one distolateral at the axial direction of valve opening 15, on the relative sideling position of this valve opening 15, forming above-mentioned attachment hole 40 and bolt insertion hole 44, distolateral at another of the axial direction of valve opening 15, these attachment holes 40 and bolt insertion hole 44 have formed and above-mentioned opposite position relation across valve opening 15.In addition, on the positions relative fully, be formed with the groove 47 of the size that this projecting strip part 46 can be chimeric with the above-mentioned projecting strip part 46 of two

housings parts

10a, 10b side.Therefore, above-mentioned attachment hole 40 is not in complete relative position with bolt insertion hole 44, but attachment hole 40 is formed on the position that relies on

housing parts

10a, 10b central authorities (inboard) than bolt insertion hole 44 a little.

And, above-mentioned two

housings parts

10a, 10b are across the

relative attachment hole

40,40 of the last insertion of two

housings parts

10a, 10b with connecting pin 41, that is to say, half of this connecting pin 41 is entrenched in the attachment hole 40 of the first housing parts 10a, second half attachment hole 40 that is entrenched in the second housing parts 10b inserts interiorly, by these attachment holes 40 and connecting pin 41 is fixing, be bonded with each other, integrated with scolding tin.Connecting pin 41 usefulness scolding tin are fixed under the situation in the above-mentioned attachment hole 40, be preferably on the one side at least in the outside of the inner face of these attachment holes 40 and connecting pin 41, smear scolding tin in advance, after inserting this connecting pin 41 in the attachment hole 40, facing two

housings parts

10a, 10b by one pressurizes mutually, heats, make above-mentioned melts soldering tin, then with this solder cools, solidify.

At this, the preferably following degree of amount of the scolding tin of smearing to the outside of the inner face of above-mentioned attachment hole 40 and/or connecting pin 41 promptly, is entrenched in connecting pin 41 when engaging in this attachment hole 40, and scolding tin does not ooze out outside the hole.Like this, ooze out from

mating face

38a, 38b, therefore, not only can obtain good finished product apparent condition, and there is no need to carry out to process for the second time to remove the scolding tin that oozes out owing to can suppress scolding tin.

In addition, though the part beyond the

attachment hole

40,40 of mating face 38a, the 38b of above-mentioned

housing parts

10a, 10b not necessarily engages with scolding tin, also can carry out the joint of

whole mating face

38a, 38b with scolding tin by on the part beyond this attachment hole 40, smearing a spot of scolding tin that does not ooze out degree in advance from this mating face.In addition, as mentioned above, under the situation about

whole mating face

38a, 38b being engaged without scolding tin,, be preferably between these mating faces 38a, the 38b and put into the sealed member that forms by plastic film or sealing material etc. in order to keep the tightness of two

mating face

38a, 38b.

Like this, by double attachment hole 40 and the connecting pin 41 of doing positioning means and engaging mechanism is set, engage these attachment holes 40 and connecting pin 41 with scolding tin, can be under the state of eliminating the gap between attachment hole 40 and the connecting pin 41 fully, engage

parts

10a, 10b, therefore, can be under the state that two

housings parts

10a, 10b are highly located, engage accurately.And, as the part that engages the center by above-mentioned attachment hole 40 and connecting pin 41 by specific in certain position, therefore, do not have the fluctuation of bond strength, can keep engaging two

housings parts

10a, 10b with certain bond strength, make steady qualityization.

The housing 10 that obtains so as required, the inner face of outer side surface or valve opening 15 etc. cut or finished product processing such as grinding after, valve rod 16 is inserted in the valve opening 15, and, first and second endblock component 11,12 is connected with two end part, and, by the outside eletromagnetic-operating portion 9 is installed in second endblock component 12, be assembled into valve 1A, be fixed on bolt 45 on the loading surface 5 of above-mentioned base plate 2A.At this moment, by bolt 45, when valve 1A is fixed on the base plate 2A, by this bolt 45, the first and

second housing parts

10a, 10b are connected and fixed on direction of engagement, and therefore, bond strength further increases, endurance under spring-back force that pressure fluid forms or the situation about working from the applied external force of pipe arrangement etc. is very big, has improved Security.

In addition, having represented a valve 1A is loaded in the valve assembly body that forms on the base plate 2A of unitary in Fig. 1, also can be that a plurality of valves are loaded on the assembly type base plate with a plurality of loading surfaces.At this moment, the output stream is configured to corresponding each valve.

Fig. 5 and Fig. 6 are the expression second embodiment of the present invention.The difference of this second embodiment's valve 1B and above-mentioned first embodiment's valve 1A is, first embodiment's valve 1A is basic pipe arrangement type, and is relative therewith, and this second embodiment's valve 1B is direct pipe arrangement type.Promptly, under the situation of first embodiment's valve 1A, delivery outlet A, B are communicated with output stream 6a, the 6b of base plate 2A, by the formation of this base plate 2A to the actuator pipe arrangement, relative therewith, second embodiment's valve 1B is, delivery outlet A, B be formed on main valve portion 8 above, directly be connected on this delivery outlet A, the B from the pipe arrangement of actuator.

The above-mentioned formation of valve 1B that should second embodiment is described in detail, in the first and second housing parts 10a, the 10b that constitute housing 10, on the first housing parts 10a of upside, be formed with parts attachment face 54, this parts attachment face has two output through

hole

53A, 53B that lead to valve opening 15, hole parts 55 are fixed on this parts attachment face 54 by bolt 56, and hole parts 55 have two delivery outlet A, B that lead to above-mentioned output through hole 53A, 53B.On above-mentioned delivery outlet A, B, be separately installed with the pipe jointing part spare 57 of fast joint type, on pipe jointing part spare 57, above-mentioned pipe arrangement is connected.Therefore, on the attachment face 14 below the second housing parts 10b of downside, be provided with a supplying mouth P and two exhaust port R, R, delivery outlet A, B are not set.

In addition, because the base plate 2B that loads above-mentioned valve 1A also can be common to the valve 1A of basic pipe arrangement type, therefore, supply with stream 6p, output stream 6a, 6b and superincumbent loading surface 5 upper sheds of discharge stream 6r, 6r, the pipe arrangement connection mouth that leads to these streams be set at base plate 2A below.But omitted the diagram of these pipe arrangement connection mouths.In addition, in this second embodiment, because directly the valve 1B of pipe arrangement type is loaded on the above-mentioned loading surface 5, therefore above-mentioned output stream 6a, 6b and to lead to the pipe arrangement connection mouth of above-mentioned output stream 6a, 6b inoperative.

Among the figure 58, the 59th when above-mentioned base plate 2B is installed in assigned position, inserts the erection opening of logical bolt.

About the formation beyond this second embodiment above-mentioned and effect or desirable modified example etc., because identical in fact with above-mentioned first embodiment, therefore, the identical component part symbol identical with first embodiment omits its explanation at this.

In addition, the 1A of the various embodiments described above, 1B are guiding type 5 ports valves of single solenoid shape, and the form of valve is not limited thereto.Can be the tubular valve of bipitch, also can be the valve in 3 holes or 4 holes.

Claims

1. valve with junction type housing, this valve has housing, this housing has: the valve opening that valve rod moves, the a plurality of holes and the attachment face that are communicated with this valve opening, this attachment face is in order to be installed in the smooth attachment face that comes down on the base plate, it is characterized in that, above-mentioned housing has first housing parts of the upside that is separated by parting plane and second housing parts of downside, this parting plane comprises the central axis of above-mentioned valve opening, on relative position, the mating face of these two housing parts, be provided with a plurality of attachment holes and a plurality of connecting pin, at right angles extend on these a plurality of attachment holes and this mating face; These a plurality of connecting pins are entrenched in the relative attachment hole, these attachment holes and connecting pin double as positioning means and engaging mechanism, by the inner face of above-mentioned attachment hole with and/or the outside of connecting pin coat scolding tin, both interfixed, the said first shell parts and second housing parts are bonded with each other under the state of location, form integrated.

2. valve as claimed in claim 1 is characterized in that, the inner face of above-mentioned attachment hole with and/or the amount of the scolding tin smeared of the outside of connecting pin, be make that both are chimeric, when engaging, the amount of outside the hole, not oozing out.

3. valve as claimed in claim 1 or 2 is characterized in that, is inserting and putting to be used to keep bubble-tight sealed member on the whole mating face of the said first shell parts and second housing parts.

4. valve as claimed in claim 1 or 2 is characterized in that, engages the mating face of the whole said first shell parts and second housing parts with scolding tin.

5. valve as claimed in claim 1 or 2, it is characterized in that, the said first shell parts and second housing parts, on the relative position on each mating face, has the bolt insertion hole that is interconnected when engaging these two housing parts, this bolt insertion hole is arranged on two places, one distolateral and another is distolateral at the axial direction of valve opening, across this valve opening, be positioned at the position of mutual opposition side, in addition, above-mentioned attachment hole also is arranged on two places, these attachment holes are opposite position relation for valve opening with above-mentioned bolt insertion hole.